CVE-2023-20593
Vulnérabilité non évaluée dans Ryzen™ 3000 Series Desktop Processors “Matisse” AM4 (AMD)
CVSS 0.0 · Non évaluée
EPSS 5.2%
AMD•Ryzen™ 3000 Series Desktop Processors “Matisse” AM4•Versions : various
Description
An issue in “Zen 2” CPUs, under specific microarchitectural circumstances, may allow an attacker to potentially access sensitive information.
Gravité et risque d'exploitation
CVE-2023-20593 obtient un score CVSS de 0.0/10, soit une gravité non évaluée. Selon le modèle EPSS, la probabilité qu'elle soit exploitée dans les 30 prochains jours est de 5.19 %, ce qui la place devant 92.4 % des CVE référencées.
Que faire ?
- Vérifiez si Ryzen™ 3000 Series Desktop Processors “Matisse” AM4 (versions various) est présent sur votre parc.
- Appliquez le correctif ou la version corrigée indiqués dans les références de l'éditeur.
- À défaut de correctif, limitez l'exposition (filtrage réseau, désactivation du composant).
- Automatisez la détection : les agents CVE Heimdall (gratuits, open source) corrèlent l'inventaire de vos serveurs avec la base CVE.
Références
- https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-7008
- http://xenbits.xen.org/xsa/advisory-433.html
- http://www.openwall.com/lists/oss-security/2023/07/24/3
- http://seclists.org/fulldisclosure/2023/Jul/43
- http://www.openwall.com/lists/oss-security/2023/07/25/5
- http://www.openwall.com/lists/oss-security/2023/07/25/6
- http://www.openwall.com/lists/oss-security/2023/07/25/1
- http://www.openwall.com/lists/oss-security/2023/07/25/13
- http://www.openwall.com/lists/oss-security/2023/07/25/17
- http://www.openwall.com/lists/oss-security/2023/07/25/12
- http://www.openwall.com/lists/oss-security/2023/07/25/16
- http://www.openwall.com/lists/oss-security/2023/07/25/14
- http://www.openwall.com/lists/oss-security/2023/07/25/15
- http://www.openwall.com/lists/oss-security/2023/07/26/1
- https://cmpxchg8b.com/zenbleed.html
- https://www.debian.org/security/2023/dsa-5459
- https://lists.debian.org/debian-lts-announce/2023/07/msg00030.html
- https://www.debian.org/security/2023/dsa-5462
- https://www.debian.org/security/2023/dsa-5461
- https://lists.debian.org/debian-lts-announce/2023/07/msg00033.html
- http://www.openwall.com/lists/oss-security/2023/07/31/2
- https://lists.debian.org/debian-lts-announce/2023/08/msg00001.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SD2G74BXS2SWOE3FIQJ6X76S3A7PDGML/
- http://www.openwall.com/lists/oss-security/2023/08/08/7
- http://www.openwall.com/lists/oss-security/2023/08/08/8
- http://www.openwall.com/lists/oss-security/2023/08/08/6
- http://www.openwall.com/lists/oss-security/2023/08/16/4
- http://www.openwall.com/lists/oss-security/2023/08/16/5
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CP6WQO3CDPLE5O635N7TAL5KCZ6HZ4FE/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HKKYIK2EASDNUV4I7EFJKNBVO3KCKGRR/
- http://www.openwall.com/lists/oss-security/2023/09/22/9
- http://www.openwall.com/lists/oss-security/2023/09/22/11
- http://www.openwall.com/lists/oss-security/2023/09/25/4
- http://www.openwall.com/lists/oss-security/2023/09/25/7
- https://security.netapp.com/advisory/ntap-20240531-0004/